Re: [RFC] Generalize support of negative string offsets
From: François Laupretre Date: Thu, 11 Feb 2016 14:19:59 +0000 Subject: Re: [RFC] Generalize support of negative string offsets References: 1 Groups: php.internals Request: Send a blank email to [email protected] to get a copy of this message
String offsets are full of oddities :
$str = "abc";
$str{0} = '';
var_dump($str); // -> string(3) "bc" (read as "\0bc")
Assigning an empty string to a string offset inserts a null byte because the string length is not checked in zend_assign_to_string_offset().
I see this as a bug. IMO, this case should raise a warning and the string should remain unchanged.
Thoughts before I register a bug and a PR ?
Regards
François
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